??????? ????????????
??????? ????? ?? paratungstate ??????? (APT) ??? ??????? ??? ???? ???? ??? ??????? ?????? ?? ??????, ???? ??????, ?????, ????? ????? ????? ?????? ect. Amatium paratungstate ??? ?????? ????? ???????? ???????, ???? ???; ???? ??? ????? ???????, paratungstate ??????? ??? ????? ????? ???? ?????? ?????.
?????? ?????? ?? ??????? ???????????
????: ???? ??? ?? ??? ????? ?? ???? ????.
????? ????: 3410 ° C (????)
????? ?????: 5660 ° C (????)
?????? ?????: 4.61g / cm 3
X-Ray ??????: 4.639 g / cm 3
?????? (???): ?????? ??? ???? (?????? ??? ???? ? 2% ???? ???? 20 ℃) ? ???? ??? ?? ????? ?????????
?????? ??????:
???? ?????? ??????? ????? ??? 2.72 (?? W18O49), ??? ??? ??? ?? ?????? ???????, ????? VTO, ??? ???? ????? ???? ????, ??? ???? ???? ??? ?? ???? ????.
??????? paratungstate ??? ???? ????, ????? ?????? ?????, ???? ??? ????? ?? ?????? ?? ??????????? ???? ????? ?? trioxide ??????? ?? ???? ??????? ?????? ???? ??????? ????.
????? Tungstic ?????? ?????? ????????? ?? ??????? trioxide, WO3. ????? ?????? ?????, ?monohydrate, ??? WO3. h2o, dihydrate ?? 3.2 h2o ???? ??. . ???? ???? ????? ?? WO3 H2O ????? ????? ?? octahedrally ????? WO5 (H2O) ?????? ??? 4 ???????? ???????.
0.6 ??????? ??????? ??????, ?????? ???????, ????? ?? ???? ????? ??????, ????? ????????? ????, ?????? ?????? ?? 0.6-1.0 g/cm3.